Clear must ignore buffers that are not present.

TRAC #12643 IDirect3DDevice9::Clear will fail if asked to clear a buffer that is not present, so we have to be careful what we pass to it. Signed-off-by: Shannon Woods Signed-off-by: Daniel Koch Author: Andrew Lewycky git-svn-id: https://angleproject.googlecode.com/svn/trunk@341 736b8ea6-26fd-11df-bfd4-992fa37f6226

Clear must ignore buffers that are not present.
c6f53400 · daniel@transgaming.com · 4c03fa69 · c6f53400
Commit c6f53400 authored Jun 24, 2010 by daniel@transgaming.com
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Context.cpp src/libGLESv2/Context.cpp +6 -2

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--- a/src/libGLESv2/Context.cpp
+++ b/src/libGLESv2/Context.cpp
@@ -2283,13 +2283,17 @@ void Context::clear(GLbitfield mask)
    if (mask & GL_COLOR_BUFFER_BIT)
    {
        mask &= ~GL_COLOR_BUFFER_BIT;
-        flags |= D3DCLEAR_TARGET;
+        if (framebufferObject->getColorbufferType() != GL_NONE)
+        {
+            flags |= D3DCLEAR_TARGET;
+        }
    }
    if (mask & GL_DEPTH_BUFFER_BIT)
    {
        mask &= ~GL_DEPTH_BUFFER_BIT;
-        if (mState.depthMask)
+        if (mState.depthMask && framebufferObject->getDepthbufferType() != GL_NONE)
        {
            flags |= D3DCLEAR_ZBUFFER;
        }